<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    
</body>
<script>
    //99.46%
    var canConstruct = function(ransomNote, magazine) {
        let a = magazine.split('');
        for(let s of ransomNote){
            let i = a.indexOf(s);
            if(i == -1){
                return false
            }
            else{
                a.splice(i,1);
            }
        }
        return true;
    };
    let ransomNote = "fffbfg", magazine = "effjfggbffjdgbjjhhdegh";
    console.log(canConstruct(ransomNote, magazine));
</script>
</html>